JavaScript

In the traditional object-oriented programming language, a subclass is provided with special syntax to access the parent class, and we often need additional assistance from the parent class method in implementing the subclass method. In this case,

When we create an object with a constructor, its properties are added to this. And the properties that are added to this will not actually change with the entity, at this point, this approach is inefficient. For example:function She () { this.

The first part of the series focuses on how to "encapsulate" data and methods, and how to generate instances from prototype objectsToday's introduction is about five ways to "inherit" between objects.For example, there is now a constructor for an

JavaScript includes three parts: ECMAScript, BOM, and Dom. The Window object belongs to the BOM.Window object, is the JS top-level object, representing the entire browser window, not only the JS content, the entire HTML page (including all elements

1. ConceptEvent bubbling: If element A is nested in element B, then a is clicked not only A's OnClick event will be triggered, and the onclick of B will also be triggered. The order of triggering is "from inside Out".2. Cancel Event bubblingGoogle,

The prototype chain is the default way that JavaScript implements inheritance. Here's an example to see her magic:First, define three constructors:functionHer () { This. Name = ' Anna '; This. toString =function(){ return This. Name;

1. Steps to create DOM dynamically(1) Call the document's CreateElement method to create a DOM object with the specified label(2) then add the newly created element to the appropriate element by calling the AppendChild () of the element.2. How to

(1) Almost all DOM elements have innertext and innerHTML attributes (note case), respectively, the text representation of the contents of the element tag and the HTML source code.(2) Under Firefox, do not support innertext, you can use the

0. JavaScript's simple data types include numbers, character A, Boolean values (True/false), NULL, and undefined values, and other values are objects.1. JavaScript has only one numeric type, which is represented internally as a 64-bit floating-point

In addition to calling the constructor using the new operator, we can also throw out the new operator and create the object with just a generic function, so that some preparatory work is performed and the object is a function of the return value.

1. What can JavaScript do?Give the page soul, so that the page can move, including dynamic data, dynamic tags, dynamic styles and so On. such as the implementation of the Carousel diagram, drag, magnifying glass, etc.And the dynamic data is like not

Use jQuery's toggle () method to display and hide HTML tags. This is an example: This is a paragraph. Toggle Toggle2 http://www.cnblogs.com/sosoft/ soft Cheng The toggle () method used in the example: The toggle () method switches

Use the popover plug-in of Bootstrap to verify the form prompt function. Most recent projects use Bootstrap. Browse the Bootstrap document and find that the popover plug-in is especially suitable for prompts of form verification errors. Because of

Click div collapse and div collapse test Title 1 1 Feng technology has implemented the accounting method of the bundle development history to Fei. 2 Feng technology has implemented the accounting method of the binding

Response layout and response Layout For responsive layout, I believe everyone has their own different opinions. Some people think that responsive layout is a kind of web page, but our real responsive layout can be based on the size of the web page,

Simple Example of JavaScript practice (native range and custom effects), javascriptrange Today I coded two more special effects: one with native input [type = range] and the other with full customization. The following is the complete code and

In-depth analysis of JS Function () constructor and jsfunction Function objects in js are fascinating, but they are often confusing because they are too flexible. Let's take a look at the code snippet. var scope="global";function constructFunction(){

AngularJS $ modal pop-up box instance code, angularjsmodal The following describes how $ modal has a method: open, which describes the attributes of this method: TemplateUrl: Address of the modal window Template: used to display html tags Scope: A

Jquery is a simple method for ajax to submit form information (recommended), jqueryajax Recently I was thinking about optimization projects and wanted to expand a jquery automatic acquisition of data in the form for ajax submission. I am not

Summary of common JavaScript lodash usage series, javascriptlodash Lodash was originally a fork of the Underscore. js library, because it was different from other contributors (Underscore. js. John-David Dalton's initial goal was to provide more